New York City teen Clary Fray (Lily Collins) learns that she is descended from a noble line of half-angel demon slayers known as the Shadowhunters, and joins their powerful ranks in a bid to rescue her missing mother (Lena Headey) from an alternate dimension known as the Downworld, where the terrifying creatures of legend roam free. Adapted from the popular series of novels by author Cassandra Clare, THE MORTAL INSTRUMENTS: CITY OF BONES co-stars Robert Maillet, Kevin Durand, Jonathan Rhys Meyers, CCH Pounder, and Jared Harris.